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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
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<title>VIDAL Lab — Vision, Dynamics & Learning</title>
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<span class="brand-word"><em>Vidal</em>Lab<sup>↗</sup></span>
</a>
<nav class="nav-links" aria-label="Primary">
<a href="index.html" data-key="home" class="active"><span>01</span> Home</a>
<a href="people.html" data-key="people"><span>02</span> People</a>
<a href="research.html" data-key="research"><span>03</span> Research</a>
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<span>04</span> More
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<div class="nav-more-menu" role="menu">
<a href="teaching.html" data-key="teaching" role="menuitem"><span>a</span> Teaching</a>
<a href="talks.html" data-key="talks" role="menuitem"><span>b</span> Talks</a>
<a href="tutorials.html" data-key="tutorials" role="menuitem"><span>c</span> Tutorials</a>
<a href="data-code.html" data-key="data" role="menuitem"><span>d</span> Data & Code</a>
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<section class="hero" id="hero">
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<div class="hero-meta">
<div class="meta-row">
<span class="tick"></span>
<span>UPenn · ESE · GRASP · ASSET · IDEAS</span>
</div>
<div class="meta-row">
<span>Philadelphia, PA</span>
<span class="mono" id="clock">— : —</span>
</div>
</div>
<div class="hero-stage">
<p class="eyebrow"><span>◆</span> A research laboratory at the University of Pennsylvania</p>
<h1 class="display">
<span class="line">Foundations of</span>
<span class="line line-rotator" aria-live="polite">
<span class="rot" data-words='["Vision","Dynamics","Learning"]'>Vision</span>
</span>
<span class="line">for <em>trustworthy</em> AI<span class="period">.</span></span>
</h1>
<div class="hero-grid">
<p class="lede">
We build the mathematical and algorithmic foundations of modern artificial intelligence — combining principled theory, scalable algorithms, and deployment in radiology, robotics, and beyond.
</p>
<div class="hero-actions">
<a class="btn btn-primary" href="#research">
<span>See research</span>
<svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="1.6"><path d="M5 12h14M13 6l6 6-6 6"/></svg>
</a>
<a class="btn btn-ghost" href="#about">About the lab</a>
</div>
</div>
</div>
<div class="hero-foot">
<div class="scroll-hint">
<span>Scroll</span>
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</div>
</section>
<section class="ticker" aria-label="Latest news">
<div class="ticker-label">
<span class="pulse"></span>
<span>Latest</span>
</div>
<div class="ticker-track" id="ticker-track">
<div class="ticker-row">
<span><b>Feb 2026</b> · New preprints on Hierarchical Concept Pursuit and ImageRAGTurbo</span>
<span class="sep">●</span>
<span><b>Jan 2025</b> · Paper on Gradient Flow accepted to ICML 2025</span>
<span class="sep">●</span>
<span><b>Nov 2024</b> · Four papers accepted to NeurIPS 2024</span>
<span class="sep">●</span>
<span><b>Sep 2025</b> · René Vidal delivers CPAL Distinguished Lecture on feature learning</span>
<span class="sep">●</span>
<span><b>Jun 2024</b> · BIRS Workshop talk on learning dynamics of overparametrized networks</span>
<span class="sep">●</span>
</div>
</div>
</section>
<section class="research" id="research">
<header class="section-head">
<div class="section-num">§ 01</div>
<h2>Research <em>highlights</em></h2>
<p class="section-note">Selected work from the lab — click any project to read more.</p>
</header>
<div class="hl-stage" id="hl-stage">
<div class="hl-numbers">
<span class="cur">01</span>
<span class="div">/</span>
<span class="tot">09</span>
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</div>
</div>
</section>
<section class="about" id="about">
<div class="about-head">
<div class="section-num">§ 02</div>
<h2 class="about-title">
We work at the <em>boundary</em><br/>
of theory and the world.
</h2>
</div>
<div class="about-grid">
<p class="about-lede">
The <b>VIDAL</b> Lab develops the mathematical and algorithmic foundations of modern AI — with a sustained emphasis on <em>trustworthy</em> systems and <em>real-world impact</em>. Our research philosophy combines principled theory, scalable algorithms, and deployment in collaboration with clinicians, scientists, and engineers.
</p>
<div class="pillars">
<a class="pillar" href="research.html#area-ml" data-pillar="ml">
<div class="pillar-no">i.</div>
<h3>Machine Learning</h3>
<p>Deep learning theory, trustworthy AI, generative models, parsimonious representations, continual learning, and optimization.</p>
<ul class="tags"><li>Deep theory</li><li>Generative</li><li>Optimization</li><li>Continual</li></ul>
</a>
<a class="pillar" href="research.html#area-cv" data-pillar="cv">
<div class="pillar-no">ii.</div>
<h3>Computer Vision</h3>
<p>Vision–language models, human motion understanding, video analysis, image analysis, and geometric 3D vision.</p>
<ul class="tags"><li>VLMs</li><li>Motion</li><li>3D</li><li>Video</li></ul>
</a>
<a class="pillar" href="research.html#area-dyn" data-pillar="dyn">
<div class="pillar-no">iii.</div>
<h3>Dynamics & Robotics</h3>
<p>Methods for analyzing and learning linear, hybrid and multi-agent systems — from theory to deployment on physical platforms.</p>
<ul class="tags"><li>Hybrid</li><li>Multi-agent</li><li>Control</li></ul>
</a>
<a class="pillar" href="research.html#area-med" data-pillar="health">
<div class="pillar-no">iv.</div>
<h3>AI for Healthcare</h3>
<p>Translating advances in AI into clinical systems for radiology, cardiology, neurology, hematology, and surgery.</p>
<ul class="tags"><li>Radiology</li><li>Cardiology</li><li>Surgery</li></ul>
</a>
</div>
</div>
<div class="affiliations">
<span class="aff-label">Affiliated with</span>
<div class="aff-marquee">
<div class="aff-track">
<span>IDEAS Center</span><span class="aff-dot"></span>
<span>ASSET Center</span><span class="aff-dot"></span>
<span>GRASP Lab</span><span class="aff-dot"></span>
<span>Penn Engineering</span><span class="aff-dot"></span>
<span>Department of ESE</span><span class="aff-dot"></span>
<span>IDEAS Center</span><span class="aff-dot"></span>
<span>ASSET Center</span><span class="aff-dot"></span>
<span>GRASP Lab</span><span class="aff-dot"></span>
<span>Penn Engineering</span><span class="aff-dot"></span>
<span>Department of ESE</span><span class="aff-dot"></span>
</div>
</div>
</div>
</section>
<section class="pubs" id="publications">
<header class="section-head">
<div class="section-num">§ 03</div>
<h2>Recent <em>publications</em></h2>
<p class="section-note">A selection of papers from 2025–2026.</p>
</header>
<div class="pub-grid" id="pub-grid"></div>
<div class="pubs-foot">
<a class="btn btn-ghost btn-lg" href="https://scholar.google.com/citations?user=uT8fgagAAAAJ" target="_blank" rel="noopener">
<span>Full publication list on Google Scholar</span>
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</a>
</div>
</section>
<footer class="foot">
<div class="foot-mega" aria-hidden="true">VIDAL</div>
<div class="foot-grid">
<div class="foot-col">
<div class="foot-h">Vidal Lab</div>
<p>Vision, Dynamics & Learning<br/>University of Pennsylvania<br/>Department of Electrical & Systems Engineering</p>
<p class="mono">Philadelphia, PA</p>
</div>
<div class="foot-col">
<div class="foot-h">Sitemap</div>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="people.html">People</a></li>
<li><a href="research.html">Research</a></li>
<li><a href="teaching.html">Teaching</a></li>
<li><a href="talks.html">Talks</a></li>
<li><a href="tutorials.html">Tutorials</a></li>
<li><a href="data-code.html">Data & Code</a></li>
</ul>
</div>
<div class="foot-col">
<div class="foot-h">Contact</div>
<p>Prof. René Vidal<br/><a href="mailto:vidalr@seas.upenn.edu">vidalr@seas.upenn.edu</a></p>
<div class="foot-social">
<a href="https://scholar.google.com/citations?user=uT8fgagAAAAJ" target="_blank" rel="noopener" aria-label="Google Scholar">GS↗</a>
<a href="https://github.com/vidal-lab" target="_blank" rel="noopener" aria-label="GitHub">GH↗</a>
</div>
</div>
<div class="foot-col">
<div class="foot-h">Join the Lab</div>
<p>We seek students at the boundary of mathematical foundations and impactful AI. PhD applications go through Penn ESE; postdoc and visitor inquiries direct to Prof. Vidal.</p>
<p><a href="mailto:vidalr@seas.upenn.edu">Email Prof. Vidal →</a></p>
<p class="mono dim">© 2026 Vidal Lab</p>
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